Home / 129,411,356,823.40-194,117,035,235.10-63,128,334,692.20

Finding the Fourth Proportional to 129,411,356,823.40, 194,117,035,235.10 and 63,128,334,692.20

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Solution

The fourth proportional to 129,411,356,823.40, 194,117,035,235.10 and 63,128,334,692.20 is: 94,692,502,038.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,411,356,823.40 : 194,117,035,235.10 = 63,128,334,692.20 : x
  2. Step 2: Convert to fraction form
    129,411,356,823.40/194,117,035,235.10 = 63,128,334,692.20/x
  3. Step 3: Cross multiply
    129,411,356,823.40x = 194,117,035,235.10 × 63,128,334,692.20
  4. Step 4: Simplify right side
    129,411,356,823.40x = 12,254,285,169,778,973,736,960
  5. Step 5: Solve for x
    x = 12,254,285,169,778,973,736,960/129,411,356,823.40
  6. Step 6: Final answer
    x = 94,692,502,038.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.