Home / 98,185,638.74-147,314,370.98-45,688,347.68

Finding the Fourth Proportional to 98,185,638.74, 147,314,370.98 and 45,688,347.68

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Solution

The fourth proportional to 98,185,638.74, 147,314,370.98 and 45,688,347.68 is: 68,549,232.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,185,638.74 : 147,314,370.98 = 45,688,347.68 : x
  2. Step 2: Convert to fraction form
    98,185,638.74/147,314,370.98 = 45,688,347.68/x
  3. Step 3: Cross multiply
    98,185,638.74x = 147,314,370.98 × 45,688,347.68
  4. Step 4: Simplify right side
    98,185,638.74x = 6,730,550,199,594,742
  5. Step 5: Solve for x
    x = 6,730,550,199,594,742/98,185,638.74
  6. Step 6: Final answer
    x = 68,549,232.72

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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.