Home / 42,768,000.90-64,152,001.35-39,744,692.10

Finding the Fourth Proportional to 42,768,000.90, 64,152,001.35 and 39,744,692.10

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Solution

The fourth proportional to 42,768,000.90, 64,152,001.35 and 39,744,692.10 is: 59,617,038.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,768,000.90 : 64,152,001.35 = 39,744,692.10 : x
  2. Step 2: Convert to fraction form
    42,768,000.90/64,152,001.35 = 39,744,692.10/x
  3. Step 3: Cross multiply
    42,768,000.90x = 64,152,001.35 × 39,744,692.10
  4. Step 4: Simplify right side
    42,768,000.90x = 2,549,701,541,254,534.50
  5. Step 5: Solve for x
    x = 2,549,701,541,254,534.50/42,768,000.90
  6. Step 6: Final answer
    x = 59,617,038.15

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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.