Home / 99,852,848.60-149,779,272.90-42,335,331.80

Finding the Fourth Proportional to 99,852,848.60, 149,779,272.90 and 42,335,331.80

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Solution

The fourth proportional to 99,852,848.60, 149,779,272.90 and 42,335,331.80 is: 63,502,997.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,852,848.60 : 149,779,272.90 = 42,335,331.80 : x
  2. Step 2: Convert to fraction form
    99,852,848.60/149,779,272.90 = 42,335,331.80/x
  3. Step 3: Cross multiply
    99,852,848.60x = 149,779,272.90 × 42,335,331.80
  4. Step 4: Simplify right side
    99,852,848.60x = 6,340,955,214,984,248
  5. Step 5: Solve for x
    x = 6,340,955,214,984,248/99,852,848.60
  6. Step 6: Final answer
    x = 63,502,997.70

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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.